LED bulb



FIG. 1 is a perspective view of a first embodiment of an LED bulb;

FIG. 2 is a bottom view thereof;

FIG. 3 is a side profile view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a perspective view of a second embodiment of an LED bulb;

FIG. 6 is a bottom view thereof;

FIG. 7 is a side profile view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a perspective view of a third embodiment of an LED bulb;

FIG. 10 is a bottom view thereof;

FIG. 11 is a side profile view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a perspective view of a fourth embodiment of an LED bulb;

FIG. 14 is a bottom view thereof;

FIG. 15 is a side profile view thereof; and,

FIG. 16 is a top plan view thereof.

CLAIM The ornamental design for an LED bulb, as shown and described.